TEL AVIV, ISRAEL - JANUARY 21:  In this handout image supplied by the U.S. Embassy in Tel Aviv,  Special envoy to the Middle East for the Obama administration George Mitchell meets with Israeli Minister of Defense Ehud Barak at the MOD on January 21,2010 in Tel Aviv, Israel. Mitchell is in the Middle East on his latest attempt to kick start the peace process. Getty Images logo Getty Images 25 months ago

TEL AVIV, ISRAEL - JANUARY 21: In this handout image supplied by the U.S. Embassy in Tel Aviv, Special envoy to the Middle East for the Obama administration George Mitchell meets with Israeli Minister of Defense Ehud Barak at the MOD on January 21,2010 in Tel Aviv, Israel. Mitchell is in the Middle East on his latest attempt to kick start the peace process.